Would-be account hijackers can comb these dumps for password and email address/user name combinations, then try them out on other websites. It's a reminder of why you shouldn't reuse passwords for multiple accounts on different services: If one account is breached, then all of them are.

It's likely that if Reddit is seeing a surge in account hijacking following these passwords dumps, then other popular websites and services across the internet also are.

Slowe shares a few tips for defending yourself against account takeover attempts on Reddit, including setting a strong unique password for each account, verify an email address as an extra line of defence, and checking your activity page for IP addresses you don't recognise.